2378346911720 has 128 divisors (see below), whose sum is σ = 5949797898240. Its totient is φ = 849691192320.

The previous prime is 2378346911671. The next prime is 2378346911737. The reversal of 2378346911720 is 271196438732.

It is a Cunningham number, because it is equal to 1542189²-1.

It is a super-2 number, since 2×2378346911720² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191225342 + ... + 191237778.

It is an arithmetic number, because the mean of its divisors is an integer number (46482796080).

Almost surely, 2^{2378346911720} is an apocalyptic number.

2378346911720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2378346911720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2974898949120).

2378346911720 is an abundant number, since it is smaller than the sum of its proper divisors (3571450986520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2378346911720 is a wasteful number, since it uses less digits than its factorization.

2378346911720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24355 (or 24351 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 2378346911720 in words is "two trillion, three hundred seventy-eight billion, three hundred forty-six million, nine hundred eleven thousand, seven hundred twenty".